#region Copyright ?2010 Pawel Idzikowski [idzikowski@sharpserializer.com]

//  ***********************************************************************
//  Project: sharpSerializer
//  Web: http://www.sharpserializer.com
//
//  This software is provided 'as-is', without any express or implied warranty.
//  In no event will the author(s) be held liable for any damages arising from
//  the use of this software.
//
//  Permission is granted to anyone to use this software for any purpose,
//  including commercial applications, and to alter it and redistribute it
//  freely, subject to the following restrictions:
//
//      1. The origin of this software must not be misrepresented; you must not
//        claim that you wrote the original software. If you use this software
//        in a product, an acknowledgment in the product documentation would be
//        appreciated but is not required.
//
//      2. Altered source versions must be plainly marked as such, and must not
//        be misrepresented as being the original software.
//
//      3. This notice may not be removed or altered from any source distribution.
//
//  ***********************************************************************

#endregion

using System;
using System.IO;
using System.Text;
using CuteAnt.Serialization.Advanced.Binary;
using CuteAnt.Serialization.Advanced.Serializing;
using CuteAnt.Serialization.Core.Binary;

namespace CuteAnt.Serialization.Advanced
{
	/// <summary>
	///   Stores data in a binary format. All types and property names which describe an object are stored together with the object.
	///   If there are more objects to store, their types are multiple stored, what increases the file size.
	///   This format is simple and has small overhead.
	/// </summary>
	public sealed class BurstBinaryWriter : IBinaryWriter
	{
		private readonly Encoding _encoding;
		private readonly ITypeNameConverter _typeNameConverter;
		private BinaryWriter _writer;

		///<summary>
		///</summary>
		///<param name = "typeNameConverter"></param>
		///<param name = "encoding"></param>
		///<exception cref = "ArgumentNullException"></exception>
		public BurstBinaryWriter(ITypeNameConverter typeNameConverter, Encoding encoding)
		{
			ValidationHelper.ArgumentNull(typeNameConverter, "typeNameConverter");
			ValidationHelper.ArgumentNull(encoding, "encoding");
			_encoding = encoding;
			_typeNameConverter = typeNameConverter;
		}

		#region IBinaryWriter Members

		/// <summary>Writes Element Id</summary>
		/// <param name = "id"></param>
		public void WriteElementId(Byte id)
		{
			_writer.Write(id);
		}

		/// <summary>Writes an integer. It saves the number with the least required bytes</summary>
		/// <param name = "number"></param>
		public void WriteNumber(Int32 number)
		{
			BinaryWriterTools.WriteNumber(number, _writer);
		}

		/// <summary>Writes an array of numbers. It saves numbers with the least required bytes</summary>
		/// <param name = "numbers"></param>
		public void WriteNumbers(Int32[] numbers)
		{
			BinaryWriterTools.WriteNumbers(numbers, _writer);
		}

		/// <summary>Writes type</summary>
		/// <param name = "type"></param>
		public void WriteType(Type type)
		{
			if (type == null)
			{
				_writer.Write(false);
			}
			else
			{
				_writer.Write(true);
				_writer.Write(_typeNameConverter.ConvertToTypeName(type));
			}
		}

		/// <summary>Writes property name</summary>
		/// <param name = "name"></param>
		public void WriteName(String name)
		{
			BinaryWriterTools.WriteString(name, _writer);
		}

		/// <summary>Writes a simple value (value of a simple property)</summary>
		/// <param name = "value"></param>
		public void WriteValue(object value)
		{
			BinaryWriterTools.WriteValue(value, _writer);
		}

		/// <summary>Opens the stream for writing</summary>
		/// <param name = "stream"></param>
		public void Open(Stream stream)
		{
			_writer = new BinaryWriter(stream, _encoding);
		}

		/// <summary>Saves the data to the stream, the stream is not closed and can be further used</summary>
		public void Close()
		{
			_writer.Flush();
		}

		#endregion
	}
}